ASTEC SUN AA23650 RS5 400W Power Supply – Overview
The ASTEC SUN AA23650 RS5 is a 400 W AC server power supply unit designed primarily for Sun Microsystems / Oracle server systems like Sun Fire V240, Netra 240, and other models. 02 or “Sun 300-1846” in server parts catalogs.
It may be a hot-swap type PSU, suitable for redundant server power configurations.
This unit offers a stable and reliable 400W output for mission-critical server environments.
Key Features & Benefits
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Power Output: 400 W — sufficient to support multiple server components and peripherals.
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Worldwide Input: Supports 100–240 V AC input (50–60 Hz), making it usable in global power environments.
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Server Compatibility: Commonly used in Sun Fire V240, Netra 240, and similar Sun / Oracle server models.
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Hot-Swap Capable: Can be used in servers that support redundant power supplies; ensures minimal downtime when one PSU fails.
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Compact & Efficient Design: Optimized for server racks to reduce wasted space and improve cooling efficiency.
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Safety Protections: Built-in overcurrent, overvoltage, and short-circuit protection to safeguard both PSU and connected hardware.
Compatibility
This PSU is suited for server systems originally using the ASTEC / Sun 300-1846 AC module. Compatible systems include:
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Sun Fire V240
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Netra 240
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Some configurations of Netra 440
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Other Sun / Oracle server models using 300-1846 or ASTEC AA23650 modules
If your server uses part numbers such as 300-1846-01, 300-1674, or 300-1846-02, this is likely a compatible replacement.
Buying Guide & Tips
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Check Original Part Numbers: Always match the server’s original PSU part number (e.g. 300-1846-01) to confirm compatibility.
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Verify Connectors: Ensure that the power supply’s connectors (both AC input and server interface) match your server’s socket.
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Redundancy Support: If your server supports redundant PSUs, purchase two units to operate in failover mode.
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Cooling and Airflow: Maintain proper airflow in the server chassis—this PSU is designed for rack environments with good ventilation.
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Warranty & Condition: Ask for warranty (refurbished vs new) and health test results, especially for used or pulled units.
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Buy from Reputable Suppliers: Always source from trustworthy server parts providers to avoid counterfeit or damaged units.












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